Alloy.



- UNITED STATES A'IENT IWIGE.

GEORGE FRANKLIN ALLEN, .OFGRANITE CITY, ILLINOIS, ASSIGNOR T EDWARD R. HOYT, OF ST. LOUIS, MISSOURI.

ALLOY.

No. 839,444. Specification of Letters Patent. Patented Dec. 25, 1906. Application filed October 2 2, 1906. Serial No. 340,245. i

T0 at whom i m y c n property of lessening the corrodibility of the Be it .knqwn that I, GnoReE FRANKnIN alloy. ALLEN, a citlzen ofthe United States, res1d-. The proportlons m which the metals are ing in Granite City, in the county of Madiused vary according to the nature of the lead 5 son and State of Illinois, have invented cerused, and are from one ttyentieth of one per 25 tain new and useful Improvements in Alloys, cent. to four and one-half per cent. nickel of which the following is a full, clear, and and from one-twentieth of one per cent. to exactdescription. four and one-half per cent. co er and the My invention relates to an alloy of metal; balance lead, and preferably sofli lead.

, 10 and it has for its object to produce an alloy of I claim- 30 such nature that it will resist reater tensile An alloy consisting of from one-twentieth strain than other soft-metal alloys; also, an of one per cent. to four and one-half per cent. alloy that will be much less subject to cornickel, from one-twentieth of one per cent. to rosion than those heretofore made so far as four and one-half per cent. copper, and the r 5 I am aware. balance of lead.

My alloy conslsts of three metals-lead, nickel,and copper-combinedinsuch propor- GEORGE FRANKLIN ALLEN tions as will cause the nickel and cop er to In presence of increase the tensile strength of'the al oy to NELLIE V. ALEXANDER, 20 the desired degree and Wil afford the desired BLANCHE HOGAN. 

